EP3172128A1 - Nacelle d'entraînement électrique - Google Patents

Nacelle d'entraînement électrique

Info

Publication number
EP3172128A1
EP3172128A1 EP15790105.9A EP15790105A EP3172128A1 EP 3172128 A1 EP3172128 A1 EP 3172128A1 EP 15790105 A EP15790105 A EP 15790105A EP 3172128 A1 EP3172128 A1 EP 3172128A1
Authority
EP
European Patent Office
Prior art keywords
cavity
electric
nacelle
drive
electric motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15790105.9A
Other languages
German (de)
English (en)
Other versions
EP3172128B1 (fr
Inventor
Christoph Balzer
Frank Seibicke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP3172128A1 publication Critical patent/EP3172128A1/fr
Application granted granted Critical
Publication of EP3172128B1 publication Critical patent/EP3172128B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H21/00Use of propulsion power plant or units on vessels
    • B63H21/12Use of propulsion power plant or units on vessels the vessels being motor-driven
    • B63H21/17Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H21/00Use of propulsion power plant or units on vessels
    • B63H21/38Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
    • B63H21/383Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like for handling cooling-water
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H5/00Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/125Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00Liquid cooling
    • F01P3/20Cooling circuits not specific to a single part of engine or machine
    • F01P3/207Cooling circuits not specific to a single part of engine or machine liquid-to-liquid heat-exchanging relative to marine vessels
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/20Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/32Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/14Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle
    • H02K9/16Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle wherein the cooling medium circulates through ducts or tubes within the casing
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/19Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H5/00Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/125Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters
    • B63H2005/1254Podded azimuthing thrusters, i.e. podded thruster units arranged inboard for rotation about vertical axis
    • B63H2005/1258Podded azimuthing thrusters, i.e. podded thruster units arranged inboard for rotation about vertical axis with electric power transmission to propellers, i.e. with integrated electric propeller motors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/0206Heat exchangers immersed in a large body of liquid
    • F28D1/022Heat exchangers immersed in a large body of liquid for immersion in a natural body of water, e.g. marine radiators

Definitions

  • the invention relates to an electric nacelle drive for a ship comprising a nacelle housing, which is rotatably connectable to a ship's hull, and an electric motor arranged in the nacelle housing. Furthermore, the invention relates to a ship having such an electric gondola drive.
  • Such an electric propulsion pod comes beispielswei ⁇ se as a drive unit for a ship used to give, be ⁇ is the propulsion pod outside the ship's hull and Below the water table, especially in the sea water and drives a propeller.
  • Such pod drives are also known as POD drives.
  • electric nacelle drive as in any electrical machine, losses, which must be dissipated in the form of heat. In particular, this can be done only partially via the gondola surface to the surrounding seawater, so that additional cooling is needed.
  • the additional cooling is usually via a closed cooling circuit through the drive, the shaft and the
  • the invention has for its object to provide an alternative cooling for an electric nacelle drive.
  • an electric nacelle drive of the type mentioned above in that the electric nacelle drive at least one arranged in the nacelle cavity, wherein the at least one cavity in each case with respect to a motor axis in the axial direction offset from the electromobility ⁇ tor is arranged and wherein the at least one cavity is designed ⁇ that is able to penetrate through at least one housing ⁇ opening water into the at least one cavity, which surrounds the nacelle drive at least partially, at least one heat exchanger, which is in each case arranged in at least one cavity, and a closed cooling circuit, which in Gondola housing extends, wherein the closed cooling circuit is configured such that waste heat of the electric motor via a circulating in the closed cooling circuit cooling medium is receivable and with ⁇ means of at least one heat exchanger to the at least one cavity bef Indian water is deliverable. Furthermore, this object is achieved by having a ship to ⁇ least one such electric gondola drive.
  • the respective cavity is a region of the electric cable drive or of the housing, into which can penetrate the Gondelan ⁇ operating at least partially surrounding water.
  • the respective cavity is arranged offset in the axial direction to the electric motor.
  • the respective cavity is designed as a bilge space.
  • the electric motor can be designed, for example, as an asynchronous motor or synchronous motor and can be cooled by means of the cooling medium.
  • the cooling medium of the closed cooling circuit may be liquid, such as oil or water, or gaseous, such as air.
  • Another advantage of the proposed cooling that the otherwise required space for recooling elements in the hull can be used elsewhere. Furthermore, in particular with an operation of the Gon ⁇ delantriebs in salty water as an advantage that can be dispensed with cooling channels, which lead salty water directly into the electric motor to its cooling. By means of the heat exchanger thus the durability of the electric cable drive and in particular the Elektromo ⁇ gate can be increased.
  • a turbomachine is provided, by means of which the cooling medium in the closed cooling circuit is ummélzbar.
  • the respective cavity between a respective axial end face of the electric motor and a respective axial end face of the nacelle housing is arranged, in which the respective axial end face of the electric motor has.
  • the pod housing may be several compartments aufwei ⁇ sen, wherein the electric motor in one of the compartments and the JE stays awhile cavity is housed in another of the compartments.
  • the respective cavity in a compartment is arranged ⁇ may be which is separated by a fluid-tight intermediate wall by the electric motor or its compartment.
  • the respective axial end-side of the pod housing may, for example a cone-shaped or Wesent ⁇ union frustoconical tip.
  • a propeller is arranged, which is driven by means of the electromobility ⁇ sector.
  • the electric nacelle drive has a drive shaft and a rotatably connected to the drive shaft propeller, wherein the respective cavity surrounds the respective drive shaft in the circumferential direction at least along half the circumference.
  • a respective cavity designed in this way can be arranged, for example, between a first housing opening at the bottom in the housing and a second housing opening at the top in the housing.
  • cold water penetrates from below through the first housing opening into the respective cavity, is heated by the respective heat exchanger and rises to finally exit the cavity and the housing via the second housing opening.
  • the respective cavity allows a good heat dissipation, by a convection of the water in the cavity is favored.
  • the first housing openings and the second housing openings can be arranged and / or keptstal ⁇ tet, that during operation of the electric Gon ⁇ delantriebs a flow of the surrounding the nacelle water is deflected by deflection into the respective cavity or out.
  • the drive shaft is thereby separated and protected by means of a separation ⁇ wall of the water located in the respective cavity.
  • the respective cavity completely surrounds the drive shaft in the circumferential direction. This allows, for example, for rotation with the actuator shaft connected to the propeller blades within the hollow ⁇ space to arrange, by means of which the water in the respective cavity may be circulated, so that a special ders good removal of heat from the respective réelletau ⁇ shear can be guaranteed.
  • the heat exchanger in this case at least one tube, which closes the drive shaft in the circumferential direction in each case completely ⁇ .
  • the at least one tube is at least partially disposed in the respective cavity, so that it in thermal
  • the respective cavity surrounds the drive shaft completely in the circumferential direction.
  • a ⁇ be Sonders good heat dissipation from the heat exchanger can thus be achieved.
  • the electric motor has a stator, wherein the closed cooling circuit comprises at least one stator, wel ⁇ cher in each case at least partially abuts the stator and / or at least partially angeord ⁇ net in the stator.
  • the respective stator channel may, for example, extend in the axial or circumferential direction on and / or in the stator, thereby ensuring particularly good heat transfer from the stator to the cooling medium circulating in the closed cooling circuit.
  • the respective stator channel can be designed as a bore in the stator.
  • the respective stator channel can also be designed as a groove introduced radially from the outside and / or be arranged in the form of a helical, web or meandering manner on the radial outer surface of the stator.
  • the cooling medium is enclosed by means of a hollow profile relative to the stator.
  • the electric motor has a rotatably mounted rotor and a rotatably connected to the rotor drive shaft, wherein the closed cooling circuit at least one rotor channel summarizes, which in each case at least partially on the rotor is ⁇ and / or in each case at least partially in the rotor is arranged on ⁇ , and wherein the respective heat exchanger is rotatably connected to the drive shaft.
  • the respective rotor channel may extend, for example, in the axial or in the circumferential direction on and / or in the rotor, whereby a particularly good heat transfer from the rotor to the cooling medium circulating in the closed cooling circuit is ensured.
  • the respective rotor channel can be designed as a bore in the rotor.
  • the respective rotor channel can also be designed as a groove introduced from radially inward into the magnetically active rotor body and / or arranged in the form of a helical or meandering shape on the radial inner side of the rotor.
  • the cooling medium is enclosed by means of a hollow profile relative to the rotor.
  • the drive shaft can be designed at least in sections as a web shaft or have axially extending grooves, wherein parts of the closed cooling circuit are arranged in the gap between two webs or grooves adjacent in the circumferential direction.
  • such a connection of the rotor channels are made with the respective varnishtau ⁇ shear.
  • the closed cooling circuit can also be configured such that both at least one stator channel and at least one rotor channel are provided. It is also conceivable to provide for the at least one stator channel and the at least one rotor channel separate, closed cooling circuit with at least one respective heat exchanger, which is or are arranged in one or more cavities.
  • the proposed electric nacelle drive is designed such that it can be operated with an electrical power of several 100 kW, in particular several megawatts.
  • FIG. 1 shows a first exemplary embodiment of the electric nacelle drive according to the invention.
  • the electric nacelle ⁇ drive has a nacelle housing 1, which is rotatably connected to a ship's hull.
  • an electric motor 2 with a motor shaft 4 and a cavity 3 are arranged, which is arranged with respect to the motor shaft 4 in the axial direction offset from the electric motor 2.
  • the cavity 3 is between an axial end 8 of the Elekt- Romotors 2 and an axial end face 9 of the nacelle housing 1, in which the axial end face 8 of the electric ⁇ motor 2 has.
  • the cavity 3 is designed such that through a housing opening 5 water can penetrate into the cavity 3, which surrounds the nacelle drive at least teilwei ⁇ se.
  • the nacelle drive has a closed, running in the nacelle housing 1 cooling circuit 7 and a heat exchanger 6, which is arranged in the cavity 3.
  • the closed cooling circuit 7 is configured such that from ⁇ heat of the electric motor 2 is accommodated on a circulating in the closed cooling circuit 7 and the cooling medium can be dispensed with ⁇ means of the heat exchanger 6 to the left in the cavity 3 of water.
  • the electric nacelle drive ei ⁇ ne drive shaft and at least one propeller having, each rotatably connected to the electric motor and which are not shown in detail for the sake of clarity in Figure 1 .
  • the nacelle housing 1 may be connected via a gondola shaft, not shown, with the hull.
  • FIG. 2 shows a second exemplary embodiment of the electric gondola drive according to the invention.
  • the same reference numerals as in Figure 1 denote the same objects. Since the second embodiment has similarities with the first embodiment are explained below some lower ⁇ differences.
  • the electric motor 2 has a stator 12 and a rotatably mounted rotor 14 which is non-rotatably connected to a drive shaft 10.
  • the drive shaft 10 is in turn rotatably connected to a propeller 11.
  • By means of an intermediate wall 16 of the electric motor 2 is separated from the cavity 3.
  • the cavity 3 encloses the drive shaft 10 completely in the circumferential direction and is accessible via two housing openings 5 for the nacelle surrounding water, wherein one of the two housing openings 5 above and the other is arranged below in the nacelle housing 1. Since the cavity 3 is separated by a partition wall 18 of the drive shaft 10, it is prevented that the drive shaft 10 comes into contact with the water in the cavity 3.
  • the arranged in the cavity 3 heat exchanger 6 is madestal ⁇ tet, for example, such that it surrounds the drive shaft 10 in the circumferential direction fully ⁇ constantly.
  • the closed cooling circuit 7 has stator channels 13, which rest at least in sections on the stator 12 and / or are arranged in the stator 12.
  • FIG. 3 shows a third exemplary embodiment of the electric gondola drive according to the invention.
  • the ge ⁇ connected to the cooling circuit of the cable drive according to the drit ⁇ th embodiment rotor channels 15 which are at least in sections lie against the rotor 14 and / or in the rotor 14 arranged arrival.
  • the heat exchanger 6 is rotatably connected to the drive shaft 10.
  • the electric nacelle drive can also be configured such that both stator channels 13 according to the second exemplary embodiment and rotor channels 15 according to the present, third exemplary embodiment are provided. It is also conceivable to provide separate, closed cooling circuits 7 with at least one respective heat exchanger 6 for the stator channels 13 and rotor channels 15.
  • FIG. 4 shows a fourth exemplary embodiment of the electric gondola drive according to the invention, wherein only a detail is shown.
  • the heat exchanger 6 has Tubes 17, wherein the cavity 3 and the tubes 10, the drive shaft 10 completely enclose in the circumferential direction.
  • a heat exchanger 6 can be used in one of the previously illustrated embodiments.
  • the invention relates to an electric nacelle drive for a ship comprising a nacelle housing, which is rotatably connected to a ship's hull, and an electric motor arranged in the nacelle housing. Furthermore, the invention relates to a ship having such an electric nacelle drive.
  • the electric nacelle drive at least one arranged in the nacelle cavity, wherein the at least one cavity in each case with respect to a motor axis in the axial direction offset from the electric motor is arranged and wherein the at least one cavity configured is that at least one housing opening water can penetrate into the at least one cavity, which at least partially surrounds the nacelle drive, at least one heat exchanger, which is more in each case arranged in at least one cavity, and a closed cooling circuit, which runs in the nacelle housing, wherein the closed cooling circuit is configured such that waste heat from the electric motor can be absorbed via a cooling medium circulating in the closed cooling circuit and by means of the at least one heat exchanger to the What in at least one cavity Was is deliverable.

Abstract

L'invention concerne une nacelle d'entraînement électrique, destinée à un navire, qui comprend un boîtier de nacelle (1) qui peut être relié à la coque d'un navire de manière rotative et un moteur électrique (2) disposé dans le boîtier de nacelle (1). L'invention concerne en outre un navire comportant une telle nacelle d'entraînement électrique. Selon l'invention, pour produire une alternative au refroidissement d'une nacelle d'entraînement électrique, la nacelle d'entraînement électrique comporte au moins une cavité (3) ménagée dans le boîtier de nacelle (1), l'au moins une cavité (3) étant disposée de façon décalée par rapport à un moteur électrique (2) dans la direction axiale par rapport à un arbre de moteur (4) et l'au moins une cavité (3) étant conçue de telle manière que de l'eau qui entoure au moins partiellement la nacelle d'entraînement peut pénétrer dans l'au moins une cavité (3) par au moins une ouverture de boîtier (5), au moins un échangeur de chaleur (6) disposé dans l'au moins une cavité (3), et un circuit fermé de refroidissement (7) s'étendant dans le boîtier de nacelle (1). Le circuit fermé de refroidissement (7) est configuré de telle sorte que la chaleur dégagée par le moteur électrique (2) peut être absorbée par un agent de refroidissement circulant dans le circuit fermé de refroidissement (7) et peut être délivrée à l'eau, se trouvant dans l'au moins une cavité (3), au moyen d'au moins un échangeur de chaleur (6).
EP15790105.9A 2014-11-13 2015-11-02 Entraînement de nacelle électrique Not-in-force EP3172128B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14193033.9A EP3020625A1 (fr) 2014-11-13 2014-11-13 Entraînement de nacelle électrique
PCT/EP2015/075445 WO2016074968A1 (fr) 2014-11-13 2015-11-02 Nacelle d'entraînement électrique

Publications (2)

Publication Number Publication Date
EP3172128A1 true EP3172128A1 (fr) 2017-05-31
EP3172128B1 EP3172128B1 (fr) 2018-05-23

Family

ID=51900239

Family Applications (2)

Application Number Title Priority Date Filing Date
EP14193033.9A Withdrawn EP3020625A1 (fr) 2014-11-13 2014-11-13 Entraînement de nacelle électrique
EP15790105.9A Not-in-force EP3172128B1 (fr) 2014-11-13 2015-11-02 Entraînement de nacelle électrique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP14193033.9A Withdrawn EP3020625A1 (fr) 2014-11-13 2014-11-13 Entraînement de nacelle électrique

Country Status (4)

Country Link
EP (2) EP3020625A1 (fr)
KR (1) KR101871640B1 (fr)
CN (1) CN106687369B (fr)
WO (1) WO2016074968A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016214026B4 (de) * 2016-07-29 2018-03-15 Siemens Aktiengesellschaft Drehvorrichtung für einen elektrisch betriebenen POD
DE102016218872A1 (de) 2016-09-29 2018-03-29 Siemens Aktiengesellschaft Kühlung eines elektrischen Gondelantriebs
CN110422309B (zh) * 2019-07-02 2021-10-08 哈尔滨工程大学 应用于吊舱推进器推进电机的开式冷却系统及控制方法
FR3100222A1 (fr) * 2019-08-28 2021-03-05 Motion Concept Group Système de motorisation électrique pour embarcation, telle qu’une planche de surf ou de paddle, avec moyens de refroidissement
DE102019128105A1 (de) * 2019-10-17 2021-04-22 Torqeedo Gmbh Antrieb für ein Boot mit Elektromotor

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE877254C (de) 1949-11-29 1955-01-31 Pleuger K G Elektromotorische Antriebsvorrichtung fuer Propeller od. dgl. von Schiffen
US5101128A (en) * 1990-08-23 1992-03-31 Westinghouse Electric Corp. System and method for cooling a submersible electric propulsor
FI96590B (fi) 1992-09-28 1996-04-15 Kvaerner Masa Yards Oy Laivan propulsiolaite
CA2297047C (fr) * 1997-07-21 2004-01-27 Siemens Aktiengesellschaft Systeme d'entrainement en nacelle par moteur electrique pour navire
FI110254B (fi) * 2000-09-25 2002-12-31 Abb Oy Aluksen propulsiolaitteen asennusjärjestely sekä siihen liittyvä menetelmä ja väline
KR100427487B1 (ko) * 2000-11-28 2004-04-30 이광현 모터를 이용한 동력선의 추진장치
US7018249B2 (en) * 2001-11-29 2006-03-28 Siemens Aktiengesellschaft Boat propulsion system
DE10158757A1 (de) * 2001-11-29 2003-06-18 Siemens Ag Schiffsantrieb
CN1816217B (zh) * 2005-02-06 2010-06-02 华为技术有限公司 基于节点地址更换的路径建立方法
JP4857442B2 (ja) * 2006-03-16 2012-01-18 株式会社Ihi ポッド型推進器
DE102010039609A1 (de) 2010-08-20 2012-02-23 Siemens Aktiengesellschaft Elektrischer Gondelantrieb für eine schwimmende Einrichtung mit interner Statorkühlung

Also Published As

Publication number Publication date
WO2016074968A1 (fr) 2016-05-19
KR101871640B1 (ko) 2018-06-26
CN106687369B (zh) 2018-08-10
EP3020625A1 (fr) 2016-05-18
EP3172128B1 (fr) 2018-05-23
KR20170085545A (ko) 2017-07-24
CN106687369A (zh) 2017-05-17

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